Created with Sketch. Created with Sketch.

Shop by Category

Siemens PLC & CNC Batteries

Find Your Siemens PLC, CNC & Automation Battery

Battery2Batteries.com supplies replacement batteries for Siemens SIMATIC PLCs, HMI operator panels, SINUMERIK CNC controls, SIMOTION motion control systems and industrial automation equipment. Find the correct replacement by Siemens battery number, controller family, HMI model or CNC system.

OEM & Compatible Replacement Options   |   Bulk Pricing Available   |   Fast U.S. Shipping

Popular Siemens Battery Part Numbers

6ES5-980-0AE11 6ES5-980-0MA11 6ES7-971-0BA00 6ES7-9711AA00-0AA0 6FC5247-0AA18-0AA0 W79084-E1001-B2

Shop Siemens Batteries by Part Number

Popular Siemens Controller & HMI Families

SIMATIC S7-300 SIMATIC S7-400 SIMATIC S5-115U SIMATIC HMI OP17 SIMATIC HMI OP270 SIMOTION D435 SINUMERIK 810DE SINUMERIK 840DE SL
Know your Siemens battery or controller number? Select the battery above or search the exact Siemens part number, SIMATIC model, SINUMERIK model or controller number using the search box at the top of the page.

Siemens PLC & CNC Battery Guide

Siemens industrial control systems use different backup batteries depending on the PLC family, HMI operator panel, CNC control or motion-control system. Match the original Siemens battery part number or equipment documentation whenever possible.

Which Siemens systems use backup batteries?

Battery-supported Siemens applications in this category include SIMATIC S5 and S7 controllers, SIMATIC HMI operator and touch panels, SIMOTION motion-control systems and SINUMERIK CNC controllers. The correct battery varies by equipment family and model.

How do I find the correct Siemens PLC battery?

Start with the complete battery number printed on the original pack. Common Siemens battery families include 6ES5, 6ES7, 6EW1, 6FC and W79084. If the battery number is unavailable, identify the SIMATIC, SINUMERIK or SIMOTION model before selecting a replacement.

What batteries are used with Siemens SIMATIC S5 controllers?

SIMATIC S5 systems use different batteries depending on the controller series. Common searches include 6ES5-980-0AE11 and 6ES5-980-0MA11, along with model-specific S5 controller batteries. Always match the original battery number or controller documentation.

What batteries are used with Siemens SIMATIC S7 controllers?

Siemens S7 applications use model-specific battery assemblies. Common part-number searches include 6ES7-971-0BA00 and 6ES7-9711AA00-0AA0. Verify the exact CPU or controller model before ordering.

Can I substitute a Siemens battery based only on voltage?

No. A correct replacement also needs to match the required chemistry, connector, polarity, physical configuration and equipment compatibility. Batteries with the same voltage are not necessarily interchangeable.

Popular Siemens Battery Part Numbers

Frequently searched Siemens battery numbers include 6ES5-980-0AE11, 6ES5-980-0MA11, 6ES7-971-0BA00, 6ES7-9711AA00-0AA0, 6FC5247-0AA18-0AA0 and W79084-E1001-B2. Use the selector above or search the exact Siemens part number to locate the correct replacement.